Pay in 4 interest-free payments of $10.99 Learn more
Ships within 48 hours · Estimated delivery Aug 3 - Aug 8
For both vertical and horizontal use
and is SMALLER than 5231EL1003B filter
Mack¡¯s are so trusted
20% ~ 90% Storage Temperature
AllergyZone FilterLock Furnace Filter Slot Seal – Magnetic Seal Cover for Any 1” Furnace Filter, Up To 25” Long, Reduce HVAC Air Leaks, Green WMYCONGCONG For both vertical and horizontalBrand: AllergyZone Features: PROTECT YOUR HVAC SYSTEM: FilterLock is a patented two piece magnetic seal system designed for furnace systems with 1 air filters, eliminating air leakage at the filter slot door to enhance indoor air quality and reduce energy consumption. IMPROVE AIR QUALITY: Prevent harmful airborne contaminants such as allergens, dust, and gases like carbon monoxide from entering your HVAC system. Properly sealing the filter slot door
US$ 24.00
US$ 33.00
US$ 25.00
US$ 24.95
US$ 16.00
US$ 24.95
US$ 17.95
US$ 30.00
US$ 120.00
US$ 20.00
US$ 36.00
US$ 11.50
US$ 522.50